Home / 3,963.48-5,469.36-2,194.98

Finding the Fourth Proportional to 3,963.48, 5,469.36 and 2,194.98

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Solution

The fourth proportional to 3,963.48, 5,469.36 and 2,194.98 is: 3,028.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,963.48 : 5,469.36 = 2,194.98 : x
  2. Step 2: Convert to fraction form
    3,963.48/5,469.36 = 2,194.98/x
  3. Step 3: Cross multiply
    3,963.48x = 5,469.36 × 2,194.98
  4. Step 4: Simplify right side
    3,963.48x = 12,005,135.81
  5. Step 5: Solve for x
    x = 12,005,135.81/3,963.48
  6. Step 6: Final answer
    x = 3,028.94

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.